Home / 5,662.48-7,814.30-3,144.64

Finding the Fourth Proportional to 5,662.48, 7,814.30 and 3,144.64

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Solution

The fourth proportional to 5,662.48, 7,814.30 and 3,144.64 is: 4,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.48 : 7,814.30 = 3,144.64 : x
  2. Step 2: Convert to fraction form
    5,662.48/7,814.30 = 3,144.64/x
  3. Step 3: Cross multiply
    5,662.48x = 7,814.30 × 3,144.64
  4. Step 4: Simplify right side
    5,662.48x = 24,573,160.35
  5. Step 5: Solve for x
    x = 24,573,160.35/5,662.48
  6. Step 6: Final answer
    x = 4,339.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.